package com.dance.springcloud.controller;

import com.alibaba.csp.sentinel.annotation.SentinelResource;
import com.alibaba.csp.sentinel.slots.block.BlockException;
import com.alibaba.fastjson.JSON;
import lombok.extern.slf4j.Slf4j;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;

import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.concurrent.TimeUnit;

@RestController
@Slf4j
public class FlowLimitController {

    @GetMapping("/testA")
    public String testA() {
        // 暂停0.8秒
//        try {
//            TimeUnit.MILLISECONDS.sleep(800);
//        } catch (InterruptedException e) {
//            e.printStackTrace();
//        }
        String format = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(new Date());
        log.info("调用时间:{}",format);
        return "------testA";
    }

    @GetMapping("/testB")
    public String testB()
    {
        log.info(Thread.currentThread().getName()+"\t"+"...testB");
        return "------testB";
    }

    @GetMapping("/testD")
    public String testD() {
        try {
            TimeUnit.SECONDS.sleep(1);
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
        log.info("testD 测试RT");
        return "-----testD";
    }

    @GetMapping("/testE")
    public String testE() {
        log.info("testE 测试异常比例");
        int i = 10 / 0;
        return "-----testE";
    }

    @GetMapping("/testF")
    public String testF() {
        log.info("testE 测试异常数");
        int i = 10 / 0;
        return "-----testF";
    }

    @GetMapping("/testHotKey")
    @SentinelResource(value = "testHotKey",blockHandler/*兜底方法*/ = "deal_testHotKey")
    public String testHotKey(@RequestParam(value = "p1",required = false) String p1,
                             @RequestParam(value = "p2",required = false) String p2) {
        int age = 10/0;
        return "------testHotKey";
    }

    // 兜底方法
    public String deal_testHotKey (String p1, String p2, BlockException exception) {
        return "------deal_testHotKey,o(╥﹏╥)o";  //sentinel系统默认的提示：Blocked by Sentinel (flow limiting)
    }
}
